Automatically convert bitmap images like JPEGs, GIFs and PNGs to the crisp, clean, scalable vector art of EPS, SVG, and...

The trick is this: send a low-resolution version of your image to the screen, and a high-resolution version...

When installing RMagick you may get an error messages like this: Version 2.13.1: checking for Ruby version >= 1.8.5... yes

I prefer using Opera's "User mode" to toggle an outlining of HTML elements quickly. This helps greatly when you...

Liquid Canvas is a JavaScript library which allows you to draw inside an HTML canvas element with an easy yet...

Sometimes you need to dynamically load an image and do something as soon as its loaded (when for example its...

The shell variable PS1 holds your bash prompt. You might want to change it to serve your needs best. Here...

Paperclip uses the imagemagick resize options like 100x50> , 100x50<, 100x50# etc to resize images. See the link what options are...

When you need to bulk rename files you can not call "mv *.foo *.bar" to change the extension of all...

When you use the send_file method to send a local file to the browser, you can save resources on...

Styling button tags across all major browsers is not easy. Many times you should be fine by using the native...

A good tool to generate strong passwords and secrets is "apg". You can get it with sudo apt-get install...

You need to install the following packages before you can build the Paperclip gem: sudo apt-get install imagemagick librmagick...

When using virtual attributes, the attached trait can be useful to automatically copy errors from one attribute to another.

When Paperclip attachments should only be downloadable for selected users, there are three ways to go. The same applies to...

The CSS Emoticons plugin is a simple jQuery plugin (and stylesheet) that allows you to turn any text emoticons on...

In july Google announced a new version of their image serach tool Google Images. But you won't find it...

Captify is a plugin for jQuery written by Brian Reavis (@brianreavis) to display simple, pretty image captions that appear on...

The box shadows created rendered in IE by CSS3PIE look darker and are blurred differently than in browsers that render...

Sometimes files attain executable-flags that they do not need, e.g. when your Windows VM copies them over a Samba...

When deploying Rails applications you might have noticed that JS and CSS are not cached by all browsers.

With this plugin, you can create a scalable tooltip by just using a single background image for the tooltip body...

You can write regular expressions some different ways, e.g. /regex/ and %r{regex}. For examples, look here. Remember that it...

So you screwed up and copied Paperclip secrets from one project to another. Here is a semi-automatic, painful way...